1. Associate Professor, School of Civil Engineering and Architecture, Changsha Univ. of Science and Technology, 960 2nd Section, Wanjiali South Rd., Changsha 410114, China.
2. Associate Professor, School for Engineering of Matter, Transport and Energy, Arizona State Univ., 501 E. Tyler Mall, AZ 85281.
3. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
4. Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
5. Professor, School of Civil Engineering and Architecture, Changsha Univ. of Science and Technology, 960 2nd Section, Wanjiali South Rd., Changsha 410114, China (corresponding author).